Display screen with screen mask



FIG. 1 is a front elevation view of a display screen with screen mask in accordance with the new design; and,

FIG. 2 is another front elevation view thereof.

The broken line showing of the display screen and various graphical representations and text indicia in FIGS. 1 and 2 is for illustrative purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen with screen mask, as shown and described. 